Pioneer M-IS21 - Service Manual

ORDER NO.
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
RRV2143
STEREO POWER AMPLIFIER
M-IS21
1. SAFETY INFORMATION
......................................
2
2. EXPLODED VIEWS AND PARTS LIST
................
3
3. SCHEMATIC DIAGRAM
.......................................
6
4. PCB CONNECTION DIAGRAM
............................
8
5. PCB PARTS LIST
...............................................
14
6. ADJUSTMENT
....................................................
16
CONTENTS
7. GENERAL INFORMATION
................................
17
7.1 SINGLE OPERATION METHOD
.................
17
8. PANEL FACILITIES AND SPECIFICATIONS
....
18
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
T – ZZK MAY. 1999 Printed in Japan
Type
Model
Power Requirement Remarks
M-IS21
KUCXJ AC120V
This product is a component of a system.
For the accessories, instruction manuals etc., refer to the service manuals RRV2149 for
XC-IS21MD and RRV2148 for XC-IS21T.
This product does not function properly when independent; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
Component
System
Service Manual Remarks
IS-21MD IS-21T
CD MD TUNER XC-IS21MD ––– RRV2149
CD TUNER DECK ––– XC-IS21T RRV2148
STEREO POWER AMPLIFIER M-IS21 M-IS21 RRV2143 This Service Manual
SPEAKER SYSTEM S-IS21 S-IS21 RRV2141

Summary

SAFETY INFORMATION

General Safety Precautions

Important safety guidelines for service technicians handling the equipment.

Product Safety Notice

Information on critical safety components and potential hazards during repair.

Leakage Current Check

Procedure for measuring electrical leakage current to ensure user safety.

EXPLODED VIEWS AND PARTS LIST

Exterior Views

Exploded view of the product's exterior components.

Exterior Parts List

Detailed list of exterior parts with their corresponding part numbers.

SCHEMATIC DIAGRAM

AF Assembly Schematic

Detailed schematic diagram for the AF (Audio Frequency) assembly.

HP Assembly Schematic

Detailed schematic diagram for the HP (Headphone) assembly.

Meter Assembly Schematic

Meter Connect Assembly Schematic

Primary Assembly Schematic

Secondary Assembly Schematic

PCB CONNECTION DIAGRAM

Primary and Secondary Assembly Connections

HP, Meter, and Meter Connect Assembly Connections

AF Assembly Connections

AMP and Power Supply Assembly Connections

PCB PARTS LIST

List of Assemblies

AF, AMP, and Power Supply Assembly Parts

Primary, Secondary, HP, and Meter Assembly Parts

Pioneer M-IS21 Specifications

General

Impedance	8 ohms
Frequency Response	20 Hz - 20 kHz
Total Harmonic Distortion	0.1%
Dimensions	210 x 92 x 307 mm
Weight	4.1 kg
Type	Stereo amplifier
Signal-to-Noise Ratio	95 dB
Input sensitivity	200mV (line)